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Zinc acetate dihydrate is an important zinc salt with excellent water solubility and high bioavailability. In an easy-to-handle and reactive form, it provides an efficient source of zinc ions for industrial production and life sciences. Whether used as a catalyst to accelerate chemical reactions or as a nutritional fortifier to supplement essential trace elements, its stable performance and reliable quality make it a fundamental chemical and functional additive in various industries.
We offer product specifications for industrial grade, feed grade, and higher purity levels.
| Property | Specification | Test Method |
|---|---|---|
| Product Name | Zinc Acetate Dihydrate | - |
| CAS No. | 5970-45-6 | - |
| Molecular Formula | C₄H₆O₄Zn·2H₂O | - |
| Appearance | White crystalline solid | Visual |
| Assay (as Zn(OAc)₂·2H₂O) | ≥ 99.0% | Titration |
| Zinc (Zn) Content | 35.0% - 36.0% (Theoretical ~35.2%) | Titration |
| pH (5% aqueous solution) | 6.0 - 7.5 | Potentiometric |
As a basic raw material, its purity and consistency are crucial to the stability of downstream products.
| Comparison Dimension | Common Zinc Acetate | Our High-Quality Zinc Acetate Dihydrate |
|---|---|---|
| Purity & Consistency | Variable purity; may contain impurities affecting catalytic activity or biosafety. | High and stable purity (≥99%), ensuring reliable performance and reproducible results in sensitive applications like catalysis and pharmaceuticals. |
| Physical Form & Solubility | Irregular crystal morphology may lead to slow or incomplete dissolution, affecting process efficiency. | Uniform crystalline form ensures rapid and complete dissolution in water, facilitating precise solution preparation and reaction participation. |
| Heavy Metal Control | Lax control over harmful heavy metals like lead and cadmium, limiting use in feed and pharmaceutical sectors. | Stringent heavy metal control meets strict safety requirements for feed additives and pharmaceutical intermediates. |
| Application Versatility | Quality only meets some low-demand industrial applications. | Multi-functional applicability enables safe use in high-value fields from industrial catalysis to nutrition and health, thanks to excellent purity and consistency. |
1. High-Efficiency Catalysts in the Polymer Industry
Scenario: As a catalyst for the poly(ethylene terephthalate) (PET) polycondensation reaction, it has a crucial impact on the molecular weight, color, and processing performance of the final resin; it is also used in the synthesis of materials such as polyurethanes.
Function: Provides active zinc ion centers, efficiently promoting esterification and polycondensation reactions, characterized by high activity and few side reactions.
2. Essential Zinc Source in the Life and Health Field
Scenario: Used as a zinc nutrient fortifier in dietary supplements or animal feed additives; used in the preparation of mouthwash or dental materials to exert anti-inflammatory and antibacterial effects.
Function: Supplements the essential trace element zinc in a bioavailable form, participating in the function of hundreds of enzymes in the body, supporting growth and development, immunity, and metabolic health.
3. Functional Additives for Materials and Surface Treatment
Scenario: Used as an effective component of wood preservatives; used as an electrolyte additive in galvanizing processes; used as a precursor or template agent in activated carbon preparation or nanomaterial synthesis.
Function: Provides zinc ions, protecting wood by forming insoluble compounds, or modifying the surface and structure of materials through electrodeposition or chemical reactions.
4. Intermediates in Pharmaceuticals and Organic Synthesis
Scenario: Used in the synthesis of drugs such as cephalosporin antibiotics; used as a Lewis acid catalyst or dehydrogenation reagent in organic synthesis.
Function: As a mild catalyst or reactant, it participates in the construction of specific chemical bonds, enabling the synthesis of drug molecules or fine chemicals.
Professional Support: We provide technical consulting tailored to your specific applications (such as catalyst formulations and feed additive regulations).
Comprehensive Documentation: We provide compliant certificates of analysis, material safety data sheets, and technical data sheets.
Flexible Supply: We offer a variety of packaging options to meet the needs of applications ranging from laboratory research and development to large-scale production.
Q: Why does zinc acetate dihydrate clump during storage? Does this affect its use?
A: Clumping is mainly due to the absorption of moisture from the air (deliquescence). Slight clumping usually does not affect its chemical properties; it can be ground and dried before use. However, for accurate weighing, it is recommended to store it in a sealed container in a cool, dry place.
Q: What are the characteristics of zinc acetate compared to antimony trioxide as a PET catalyst?
A: Zinc acetate is an important option for environmentally friendly catalysts. Compared to antimony-based catalysts, the PET resin synthesized with zinc acetate may have better transparency and avoids the potential risks of heavy metal antimony. It is more suitable for applications requiring high safety and transparency, such as food packaging. However, the catalytic activity system may need to be adjusted accordingly.
Q: What are the main differences between feed-grade and industrial-grade products?
A: Feed-grade products have extremely strict limits on heavy metal content (such as lead, arsenic, and cadmium) and microbial limits to ensure animal safety. Industrial-grade products mainly focus on the main content and major impurities, with relatively lower standards for heavy metal control. When choosing, be sure to confirm the regulatory requirements corresponding to the application area.
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